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strinc.rb (sub, gsub): use byte index instead of char index.

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This commit is contained in:
Yukihiro "Matz" Matsumoto
2022-05-17 18:20:06 +09:00
parent ce141b1332
commit 038aa6beb2
2 changed files with 11 additions and 11 deletions
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src/string.c
+4 -4
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@@ -2831,8 +2831,8 @@ mrb_str_setbyte(mrb_state *mrb, mrb_value str)
/*
* call-seq:
* str.byteslice(integer) -> new_str or nil
* str.byteslice(integer, integer) -> new_str or nil
* str.byteslice(range) -> new_str or nil
* str.byteslice(integer, integer) -> new_str or nil
* str.byteslice(range) -> new_str or nil
*
* Byte Reference---If passed a single Integer, returns a
* substring of one byte at that position. If passed two Integer
@@ -2910,13 +2910,13 @@ sub_replace(mrb_state *mrb, mrb_value self)
mrb_str_cat(mrb, result, "\\", 1);
break;
case '`':
mrb_str_cat(mrb, result, RSTRING_PTR(self), chars2bytes(self, 0, found));
mrb_str_cat(mrb, result, RSTRING_PTR(self), found);
break;
case '&': case '0':
mrb_str_cat(mrb, result, match, mlen);
break;
case '\'':
offset = chars2bytes(self, 0, found) + mlen;
offset = found + mlen;
if (RSTRING_LEN(self) > offset) {
mrb_str_cat(mrb, result, RSTRING_PTR(self)+offset, RSTRING_LEN(self)-offset);
}